274640055 has 8 divisors (see below), whose sum is σ = 439424112. Its totient is φ = 146474688.

The previous prime is 274640039. The next prime is 274640071. The reversal of 274640055 is 550046472.

It is an interprime number because it is at equal distance from previous prime (274640039) and next prime (274640071).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 274640055 - 2⁴ = 274640039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274639998 and 274640025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9154654 + ... + 9154683.

It is an arithmetic number, because the mean of its divisors is an integer number (54928014).

Almost surely, 2^274640055 is an apocalyptic number.

274640055 is a deficient number, since it is larger than the sum of its proper divisors (164784057).

274640055 is a wasteful number, since it uses less digits than its factorization.

274640055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18309345.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 274640055 is about 16572.2676480921. The cubic root of 274640055 is about 650.0118774950.

The spelling of 274640055 in words is "two hundred seventy-four million, six hundred forty thousand, fifty-five".